GE Globe Control Valves masoneilan 21000 series Instrukcja Użytkownika

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Masoneilan
*
21000 Series
Control Valves
GE Oil & Gas
fact sheet
The 21000 Series single ported unbalanced trim, heavy top
guided control valves are designed with built in versatility
making them well-suited to handle a wide variety of process
applications. Standard features include:
Top Guided
Rugged, heavy top plug guiding provides maximum support to
ensure plug stability.
Single and Double Stage
Lo-dB*/Anti-cavitation Trim
Replacing the conventional plug with the Lo-dB/Anti-cavitation
design provides excellent noise attenuation or cavitation control.
Reduced Capacity and Low Flow Trim
A series of reduced area trim is available to provide wide flow
range capabilities in all valve sizes. Optional trim to meet low
flow requirements is also available.
High Pressure Capability
A variety of actuators are available to handle low to high pressure
drop requirements. Allowable pressure drops for specific leakage
classes can be calculated using the Masoneilan ValSpeQ
*
Sizing
and Selection Program.
Tight Shutoff
Class IV leakage is standard. Optional constructions meet IEC
534-60534-4 and ANSI/FCI 70.2 Class V and VI.
Hardened Trim
Provided as standard to handle high pressure drop applications.
Trim Type
Standard construction offers either a quick change or threaded
seat ring. This trim is unbalanced and uses no seals or pilots.
Environmental Packing
Low emission LE
*
Packing is available to assure compliance with
latest environmental regulations.
Emissions Free
Bellows seal design option is available to meet zero emissions
requirements.
NACE Compliance
The 21000 Series is available for Sour Service Applications using
design and construction methods in accordance with NACE
Standard MR 0103. Applications requiring compliance to MR
0175, 2003 Rev or IS0 15156 require engineering review.
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Podsumowanie treści

Strona 1 - Control Valves

Masoneilan* 21000 SeriesControl ValvesGE Oil & Gasfact sheetThe 21000 Series single ported unbalanced trim, heavy top guided control valves are de

Strona 2 - LodB Trim Designs

SpecificationsFlow Direction contoured: flow-to-open/flow-to-close Lo-dB: flow-to-open anti-cavitation: flow-to-close Body type: high cap

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